Static task
static1
Behavioral task
behavioral1
Sample
2024-05-09_16657316c2e65b9ad54e0c4629796154_bkransomware.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-09_16657316c2e65b9ad54e0c4629796154_bkransomware.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-09_16657316c2e65b9ad54e0c4629796154_bkransomware
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Size
656KB
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MD5
16657316c2e65b9ad54e0c4629796154
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SHA1
29f60048b951a92e043cc71d90e6e2beff880708
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SHA256
1b18d349a3643be601bfe63dae7b72dbc11e3b9215811c5bf22b2d6bb03d8e19
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SHA512
8eeb9f1e53984d96e38a7323e6d9ee4cc2b255b7cd09f00788b713ca4b1f1369b223618128af571b22d0fb1eccbb7235f90a9fecbc4413b9f511d66444b44e31
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SSDEEP
12288:xC0mPjGmyYc/Jy/A2bUtbWl8cI+y6pmz5yVFpsW+eIrNgnIYbZlMT6Sd:DmPjH/a/JUTFeZNn4Ud
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-09_16657316c2e65b9ad54e0c4629796154_bkransomware
Files
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2024-05-09_16657316c2e65b9ad54e0c4629796154_bkransomware.exe windows:5 windows x86 arch:x86
46ad3d954e527f769e37017b3e128039
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
WriteFile
ReadFile
CreateFileW
FlushFileBuffers
GetLastError
FindClose
LocalAlloc
GetLogicalDriveStringsW
LocalFree
CreateThread
ExpandEnvironmentStringsW
WriteConsoleW
SetFilePointerEx
SetStdHandle
GetConsoleMode
CreateProcessW
SetFilePointer
GetDriveTypeW
FindFirstFileW
CreateMutexW
GetFileSize
GetEnvironmentVariableW
FindNextFileW
ExitProcess
GetConsoleCP
GetCommandLineW
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
EncodePointer
DecodePointer
GetModuleHandleExW
GetProcAddress
MultiByteToWideChar
WideCharToMultiByte
GetProcessHeap
GetStdHandle
GetFileType
DeleteCriticalSection
GetStartupInfoW
GetModuleFileNameW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
EnterCriticalSection
LeaveCriticalSection
HeapFree
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
IsDebuggerPresent
LoadLibraryExW
RtlUnwind
OutputDebugStringW
HeapAlloc
HeapReAlloc
GetStringTypeW
HeapSize
LCMapStringW
CloseHandle
user32
wsprintfW
advapi32
RegCloseKey
CryptGenRandom
RegCreateKeyW
CryptAcquireContextW
RegSetValueExW
ntdll
RtlAdjustPrivilege
NtDelayExecution
NtClose
Sections
.text Size: 59KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ